Microstructural heterogeneity on the cylindrical surface of carbon fibers analyzed by Raman spectroscopy

REN Gui-zhi; CHEN Cong-jie; DENG Li-hui; QUAN Hai-yu; LU Yong-gen; WU Qi-lin

doi:10.1016/S1872-5805(15)60202-5

Volume 30 Issue 5

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Article Navigation > New Carbon Mater. > 2015 > 30(5): 476-480

REN Gui-zhi, CHEN Cong-jie, DENG Li-hui, QUAN Hai-yu, LU Yong-gen, WU Qi-lin. Microstructural heterogeneity on the cylindrical surface of carbon fibers analyzed by Raman spectroscopy. New Carbon Mater., 2015, 30(5): 476-480. doi: 10.1016/S1872-5805(15)60202-5

Citation:

REN Gui-zhi, CHEN Cong-jie, DENG Li-hui, QUAN Hai-yu, LU Yong-gen, WU Qi-lin. Microstructural heterogeneity on the cylindrical surface of carbon fibers analyzed by Raman spectroscopy. New Carbon Mater., 2015, 30(5): 476-480. doi: 10.1016/S1872-5805(15)60202-5

Citation:

REN Gui-zhi, CHEN Cong-jie, DENG Li-hui, QUAN Hai-yu, LU Yong-gen, WU Qi-lin. Microstructural heterogeneity on the cylindrical surface of carbon fibers analyzed by Raman spectroscopy. New Carbon Mater., 2015, 30(5): 476-480. doi: 10.1016/S1872-5805(15)60202-5

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Microstructural heterogeneity on the cylindrical surface of carbon fibers analyzed by Raman spectroscopy

doi: 10.1016/S1872-5805(15)60202-5

1.
State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai 201620, China;
2.
Texas Tech University, Department of Chemistry and Biochemistry, Lubbock, Texas 79409, USA;
3.
College of Materials Science and Engineering, Donghua University, Shanghai 201620, China

Funds: National Natural Science Foundation of China(60975059);Key Laboratory of Advanced Civil Engineering Materials,Tongji University(201301);Research and Innovation Project of Shanghai Municipal Education Commission(14ZZ069).

Received Date: 2015-03-08
Accepted Date: 2015-11-10
Rev Recd Date: 2015-10-08
Publish Date: 2015-10-28

Abstract

Abstract

A polyacrylonitrile-based carbon fiber monofilament was characterized by a confocal micro Raman spectrometer with the aid of a stage that allowed the axial rotation of the fiber so that the whole surface area could be examined. Results indicate that disorder is localized and aligned along the axial direction of the fiber. L_a values in defective regions are relatively lower than in others. The changes in the amount of amorphous carbon in different regions are significant.
- Raman spectroscopy,
- Carbon fiber,
- Surface microstructure

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References(23)

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